/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
+#include "xbt/ex.h"
#include "gras/Transport/transport_private.h"
#include "msg/msg.h"
#include "gras/Virtu/virtu_sg.h"
-XBT_LOG_EXTERNAL_CATEGORY(transport);
-XBT_LOG_DEFAULT_CATEGORY(transport);
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_trp);
+
+/* check transport_private.h for an explanation of this variable; this just need to be defined to NULL in SG */
+gras_socket_t _gras_lastly_selected_socket = NULL;
/**
* gras_trp_select:
*
* if timeout>0 and no message there, wait at most that amount of time before giving up.
*/
-xbt_error_t
-gras_trp_select(double timeout,
- gras_socket_t *dst) {
-
- xbt_error_t errcode;
- double startTime=gras_os_time();
- gras_trp_procdata_t pd=(gras_trp_procdata_t)gras_libdata_get("gras_trp");
+gras_socket_t gras_trp_select(double timeout) {
+
+ gras_socket_t res;
+ gras_trp_procdata_t pd =
+ (gras_trp_procdata_t) gras_libdata_by_id(gras_trp_libdata_id);
gras_trp_sg_sock_data_t *sockdata;
gras_trp_plugin_t trp;
MSG_host_get_name(MSG_host_self()),
timeout);
- TRY(MSG_channel_select_from((m_channel_t) pd->chan, timeout, &r_pid));
+ MSG_channel_select_from((m_channel_t) pd->chan, timeout, &r_pid);
if (r_pid < 0) {
DEBUG0("TIMEOUT");
- return timeout_error;
+ THROW0(timeout_error,0,"Timeout");
}
/* Ok, got something. Open a socket back to the expeditor */
/* Try to reuse an already openned socket to that expeditor */
xbt_dynar_foreach(pd->sockets,cursor,sock_iter) {
DEBUG1("Consider %p as outgoing socket to expeditor",sock_iter);
- sockdata = sock_iter->data;
if (sock_iter->meas || !sock_iter->outgoing)
continue;
+ sockdata = sock_iter->data;
if (sockdata->to_PID == r_pid) {
- *dst=sock_iter;
- return no_error;
+ return sock_iter;
}
}
/* Socket to expeditor not created yet */
DEBUG0("Create a socket to the expeditor");
- TRY(gras_trp_plugin_get_by_name("buf",&trp));
+ trp = gras_trp_plugin_get_by_name("sg");
- gras_trp_socket_new(1,dst);
- (*dst)->plugin = trp;
+ gras_trp_socket_new(1,&res);
+ res->plugin = trp;
- (*dst)->incoming = 1;
- (*dst)->outgoing = 1;
- (*dst)->accepting = 0;
- (*dst)->sd = -1;
+ res->incoming = 1;
+ res->outgoing = 1;
+ res->accepting = 0;
+ res->sd = -1;
- (*dst)->port = -1;
+ res->port = -1;
sockdata = xbt_new(gras_trp_sg_sock_data_t,1);
sockdata->from_PID = MSG_process_self_PID();
sockdata->to_PID = r_pid;
sockdata->to_host = MSG_process_get_host(MSG_process_from_PID(r_pid));
- (*dst)->data = sockdata;
- gras_trp_buf_init_sock(*dst);
-
- (*dst)->peer_name = strdup(MSG_host_get_name(sockdata->to_host));
+ res->data = sockdata;
+ gras_trp_buf_init_sock(res);
+
+ res->peer_name = strdup(MSG_host_get_name(sockdata->to_host));
remote_hd=(gras_hostdata_t *)MSG_host_get_data(sockdata->to_host);
xbt_assert0(remote_hd,"Run gras_process_init!!");
sockdata->to_chan = -1;
- (*dst)->peer_port = -10;
+ res->peer_port = -10;
for (cursor=0; cursor<XBT_MAX_CHANNEL; cursor++) {
if (remote_hd->proc[cursor] == r_pid) {
sockdata->to_chan = cursor;
DEBUG2("Chan %d on %s is for my pal",
- cursor,(*dst)->peer_name);
+ cursor,res->peer_name);
xbt_dynar_foreach(remote_hd->ports, cpt, pr) {
if (sockdata->to_chan == pr.tochan) {
continue;
}
- (*dst)->peer_port = pr.port;
+ res->peer_port = pr.port;
DEBUG1("Cool, it points to port %d", pr.port);
break;
} else {
pr.tochan,sockdata->to_chan);
}
}
- if ((*dst)->peer_port == -10) {
+ if (res->peer_port == -10) {
/* was for measurement */
sockdata->to_chan = -1;
} else {
}
}
}
+ res->peer_port = ((gras_trp_procdata_t) gras_libdata_by_name_from_remote("gras_trp",MSG_process_from_PID(r_pid)))->myport;
xbt_assert0(sockdata->to_chan != -1,
"Got a message from a process without channel");
- return no_error;
+ return res;
}
/* dummy implementations of the functions used in RL mode */
-xbt_error_t gras_trp_tcp_setup(gras_trp_plugin_t plug) {
- return mismatch_error;
-}
-xbt_error_t gras_trp_file_setup(gras_trp_plugin_t plug) {
- return mismatch_error;
-}
-
+void gras_trp_tcp_setup(gras_trp_plugin_t plug) { THROW0(mismatch_error,0,NULL); }
+void gras_trp_file_setup(gras_trp_plugin_t plug){ THROW0(mismatch_error,0,NULL); }
+void gras_trp_iov_setup(gras_trp_plugin_t plug) { THROW0(mismatch_error,0,NULL); }
+gras_socket_t gras_trp_buf_init_sock(gras_socket_t sock) { return sock;}
